304L 304 Stainless Steel Tube AMS 5569 Heat Resistance φ 19mm-323.9mm Bright for Natural Gas Pipeline 304 Stainless Steel Pipe

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, EN
• Model NO.: 304 stainless steel pipe
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Hot Rolled
• Surface Treatment: Pickling
• Thickness: 0.3mm-100mm
• Length: 2000mm-9000mm
• Surface: Pickling, Polishing, Ba
• Delivery State: Solution Annealing
• Transport Package: Wooden Box + Strapping
• Specification: OD 6.35mm-OD 1219mm
• Trademark: Daxun
• Origin: China
• Production Capacity: 10000ton

Product Description

Product Description

Product Parameters

 

304 Stainless Steel Seamless Pipes Standards	ASTM A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156
304 Seamless Aerospace Tubing	AMS 5564, AMS 5565, AMS 5567, AMS 5569, AMS 5695 (Canceled & non-current specs include AMS-T-6845, Mil-T-6845, AMS-T-8504, Mil-T-8504, AMS-T-8506, Mil-T-8506)
WELDED & DRAWN 304 Stainless Steel Aerospace Tubing	AMS 5564, AMS 5565, AMS 5566, AMS 5567, AMS 5569 (Canceled & non-current specs include AMS-T-6845, Mil-T-6845, AMS-T-8504, Mil-T-8504, AMS-T-8506, Mil-T-8506)
ASTM A312 Stainless Steel Pipe Typical Manufacturing Specifications	ASTM A213,ASTM A312,ASME B36.19,AMS 5647,AMS 5566,AMS 5569,AMS 6845,BS 10216 Pt 5,ASTM A269,BS 3605 Pt 1,ASTM A632,NFA 49-117,NFA 49-217,Mil-T 8504,Mil-T 8606,or as per customer specifications.
Austenitic Stainless Steel 304 Pipes Seamless Tube Size	3.35 mm OD To 630 mm OD
304 Stainless Steel Welded Tube Size	6.35 mm OD To 1219 mm OD
ASTM A312 TP 304 Stainless Steel Seamless Pipes Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
SS 304 Pipe Schedule	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Stainless Steel 304 Seamless Pipes Wall thickness	0.020″ -0.220″, (special wall thicknesses available)
SS 304 tube Length	Single Random, Double Random, Standard & Cut length
Stainless Steel UNS S30400 ERW Pipes Finish	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Stainless Steel DIN 1.4301 Pipes Form	Round Pipes/ Tubes, Square Pipes/ Tubes, Rectangular Pipe/ Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes, Straight or 'U' bent Tubes, Hollow, LSAW Tubes Etc.
304 Stainless Steel Welded Pipe Type	Seamless, ERW, EFW, Welded, Fabricated
Electropolished	(EP) Electropolished for Ultra High Purity Systems
Non-Electropolished	(BA) Bright Annealed or (AP) Annealed & Pickled for High-Purity, (CFOS) Cleaned for Oxygen Grade Service or Corrosive Systems
I.D. Surface Finish Options	5, 7 & 10 µin. Ra
304 Stainless Steel Round Pipe JIS	8A to 250A
304 Stainless Steel Square Pipe Tolerances	In accordance with: ASTM: A269 & A632, JIS: G 3459
304 stainless steel tubing End	Plain End, Beveled End, Treaded, Ends are suitable for orbital welding
ASTM A312 TP 304 Stainless Steel Marking	All 304 Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.)
304 stainless steel tubing Application	Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger
Value Added Service	Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Specialize in	Stainless Steel 304 Capillary Tube & Other Odd Size
	Stainless Steel 304 Heat Exchanger & Condenser Tubes
	Stainless Steel 304 Hydraulic tubing with OD up to 50.8 mm (2.0 in.) are delivered in bright annealed condition
	ASTM A312 TP304 tube with OD larger than 50.8 mm are supplied in the annealed and pickled condition, Or in polished condition
Marking & Traceability	Each Stainless Steel 304 Tubing is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end.
Test Certificate	Manufacturer Test Certificate according to EN 10204 3.1 B
	Laboratory Test Certificate from Govt. Approved Lab.
	Under Third Party Inspection
Testing & Inspection	Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing
We can also cut, thread, and groove ASTM A312 TP304 erw to meet your specifications

 

Detailed Photos

At Daxun Alloys, we pride ourselves as a leading supplier of stainless steel tubing, adept at meeting the diverse demands of our clientele. Our Type 304 stainless steel, an austenitic nickel alloy with low carbon content, is perfect for welding applications. Known as '18/8' stainless steel, it boasts 18% chromium and 8% nickel, offering exceptional strength, oxidation resistance, formability, and moderate machinability. For applications facing severe intergranular corrosion, our 304L variant provides superior resistance. Available in both seamless and welded forms, our 304 grade pipes come in various diameters, with precision cutting services tailored to your specific needs. Specializing in stainless steel pipes, Daxun Alloys is your trusted partner for superior quality and performance.

Stainless Steel Welded Tubes

Our stainless steel tubular products, crafted from stainless steel strips, are roll-formed and fusion-welded along the longitudinal seam. The advanced welding process at Daxun ensures no filler metal is used, guaranteeing a high-quality and robust product.

Daxun excels in providing swift and timely delivery of 304 stainless steel pipes. Our efficiency is driven by an integrated system encompassing production, information flow, logistics, and capital management. Real-time data synchronization with our logistics system, strategic processing centers near ports, and efficient scheduling ensure rapid response and seamless storage and transportation. Trust Daxun for reliable, on-time completion of your orders.

 

Stainless Steel Drawn Tube

Our stainless steel tubular products undergo rolling and re-drawing to attain their final size. This method is ideal for producing thick-walled, large-diameter tubes, offering cost benefits over seamless alternatives. All our drawn tubes are bright annealed, ensuring superior quality and durability.

Daxun Advantages

• Varieties: Our extensive range includes small to large diameter stainless steel pipes, available in grades such as 304L, 316L, and more.
• Flexibility: Whether seamless or welded, our stainless steel pipes are designed to meet the specific requirements of your projects.
• Quality Standards: Our products adhere to stringent standards like ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, ensuring unparalleled reliability and performance.
• Custom Orders: Need special sizes? We offer a variety of customization options for stainless steel pipes at competitive prices and convenient online ordering.

 

Stainless Steel Seamless Tube

Our stainless steel seamless tubes are drawn from hollow sections created via piercing or hot extrusion processes. They boast excellent external dimensional tolerances and are ideal for applications requiring large diameter-to-wall thickness ratios.

Quality, Delivery, Inspection

• Daxun conducts comprehensive quality assurance tests, including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These rigorous evaluations ensure our materials meet your exact application requirements.
• We meticulously measure the diameter, thickness, and surface quality during production. Standard delivery times range from 7-15 days, extending to 20 days for special sizes, strictly adhering to contract terms.
  Our delivery timelines are rigorously maintained as per contract agreements.
• We welcome third-party inspections at our factory, offering full transparency.
• We provide free samples to customers for testing purposes.
• We support on-site or video inspections of our factory to assure quality and process integrity.

 

 

Daxun Stainless Steel Pipe Manufacturing Capabilities

Forming capabilities at Jiangsu Daxun Alloy Co., Ltd. are unparalleled, featuring cutting-edge extrusion and cold working assets designed for the production of top-quality tube and pipe products. Equipped with one of the world's largest pilger mills and an exclusive hydroforming process, we excel in manufacturing high-precision fittings.

 

Daxun's pipe processing capabilities are second to none, offering unmatched quality and precision in every product we deliver.

As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. provides a seamless experience from start to finish, capable of managing entire projects or specialized machining jobs. Our comprehensive services include Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and Specialized Services.

 

Bigger, Better Pipe Solutions by Jiangsu Daxun Alloy Co., Ltd.

Utilizing vertical and horizontal presses ranging from 12,000 to 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. boasts the most expansive pipe extrusion capabilities globally. This technological prowess allows us to manufacture the industry's longest lengths and largest diameter pipes, setting new standards of excellence.

 

Jiangsu Daxun Alloy Co., Ltd. is a trusted supplier to the power generation market, providing essential components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units for nuclear, coal-fired, renewable energy, and combined cycle applications.

304/304L/304LN/304H Pipe and Tubing
Sizes				Standard Tolerances
Products	OD	Wall	Lengths and/or coils	Grades	OD	Wall	Lengths
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes	3/16″ (4.76 mm) to 4″ (101.6 mm)	0.020″ (0.51 mm) to 0.220″ (5.59 mm)	Random or cut lengths up to 90′ (27.4 m) Coils to 1-1/2″ OD	304/304L/	Under 1″ (25.4 mm) ±0.004″ (0.10 mm) 1″ (25.4 mm) to	±10%	Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 80,000′ (24,384 m)
Specifications: ASTM-A249, ASME-SA249, ASTM-A688, ASME-SA688	Metric sizes available			304LN/304H	1-1/2″ (38.1 mm) ±0.006″ (0.15 mm)
					>1-1/2″ (38.1 mm) to 2″ (50.8 mm) ±0.008″ (0.20 mm)
					>2″ (50.8 mm) to 2-1/2″ (63.5 mm) ±0.010″ (0.25 mm)
					>2-1/2″ (63.5 mm) to 3″ (76.2 mm) ±0.012″ (0.30 mm)
					3″ (76.2 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm)
Pressure & Corrosion Tubing	1/16″ (1.59 mm) to 4″ (101.6 mm)	0.010″ (0.25 mm) to 0.220″ (5.59 mm)	Random or cut lengths up to 90′ (27.4 m) Coils to 1-1/2″ OD	304/304L/	<1-1/2″ (38.1 mm) ±0.005″ (0.13 mm) 1-1/2″ (38.1 mm) to 3″ (76.2 mm) ±0.010″ (0.25 mm)	±10%	Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 80,000′ (24,384 m)
Meets or exceeds requirements for welded	Metric sizes available			304H	3-1/2″ (88.9 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm)
Specifications: ASTM-A269, ASTM-A1016, and ASTM-A632
Beverage Tubing	1/4″(6.35 mm) 5/16″ (7.94 mm) 3/8″ (9.53 mm) 1/2″ (12.7 mm)	0.020″ (0.51 mm) to 0.028″ (0.71 mm)	Random or cut lengths up to 40′ (12.2 m)	304/304L/	±0.005″ (0.13 mm)	±10%	Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 15,000′ (4,572 m)
	Metric sizes available			304H
Instrumentation Tubing	1/16″ (1.59 mm) to 1/2″ (12.7 mm)	0.010″ (0.25 mm) to 0.065″ (1.65 mm)	Random or cut lengths up to 40′ (12.2 m)	304/304L/	±0.005″ (0.13 mm)	±10%	Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″
Specifications: ASTM-A269 and ASTM-A632	Metric sizes available			304H
Food/Dairy Tubing, Pharmaceutical/ BioPharmaceutical Tubing, High Purity Tubing, Ultra High Purity Tubing	1/2″ (12.7 mm) to 8″ (203.2 mm)	0.049″ (1.24 mm) to 0.109″ (2.77 mm)	20′ (6.1 m) stock lengths. Other lengths available upon request.	304/304L	1/2″ (12.7 mm) ±0.005″ (0.13 mm)	±10%	+1/8″ (3 mm) -0″
					3/4″ (19.1 mm) ±0.005″ (0.13 mm)	±10%	+1/8″ (3 mm) -0″
					1″ (25.4 mm) ±0.005″ (0.13 mm)	±10%	+1/8″ (3 mm) -0″
					1-1/2″ (38.1 mm) ±0.008″ (0.20 mm)	±10%	+1/8″ (3 mm) -0″
					2″ (50.8 mm) ±0.008″ (0.20 mm)	±10%	+1/8″ (3 mm) -0″
					2-1/2″ (63.5 mm) ±0.010″ (0.25 mm)	±10%	+1/8″ (3 mm) -0″
					3″ (76.2 mm) ±0.010″ (0.25 mm)	±10%	+1/8″ (3 mm) -0″
					4″ (101.6 mm) ±0.015″ (0.38 mm)	±10%	+1/8″ (3 mm) -0″
					6″ (152.4 mm) ±0.030″ (0.76 mm)	±10%	+1″ (25.4 mm) -0″
					8″ (203.2 mm) +0.061″ (1.55 mm), -0.031″ (0.79 mm)	±10%	+1″ (25.4 mm) -0″

Packaging & Shipping

Company Profile

 

Chemical Composition of 304 Stainless Steel Pipe

Composition of 304/304L/304LN/304H tubing and pipe
Grade	304	304L	304LN	304H
UNS Designation	S30400	S30403	S30453	S30409
Carbon (C) Max.	0.08	0.030*	0.03	0.04 - 0.10
Manganese (Mn) Max.	2	2	2	2
Phosphorous (P) Max.	0.045	0.045	0.045	0.045
*** (S) Max.	0.03	0.03	0.03	0.03
Silicon (Si) Max.	1	1	1	1
Chromium (Cr)	18.0-20.0	18.0-20.0	18.0-20.0	18.0-20.0
Nickel (Ni)	8.0-11.0	8.0-11.0	8.0-11.0	8.0-11.0
Molybdenum (Mo)	-	-	-	-
Nitrogen (N)	-	-	0.10-0.15	-
Iron (Fe)	Bal.	Bal.	Bal.	Bal.
Other Elements	-	-	-	-

 

Mechanical Properties of 304 Stainless Steel Pipe

	Tensile Strength			Yield Strength
Alloy	UNS Designation	Spec.	psi	MPa	ksi	psi	MPa	ksi	Elongation in 2 inches (min.) %	Grain Size Req.	Max. Hardness	Modulus of Elasticity (x106 psi)	Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)	Thermal Conductivity (BTU-in/ft2-h-°F)
304	S30400	A249, A312	75,000	515	75	30,000	205	30	35	-	90 Rb	28	9.2	116
304L	S30403	A270 A312	70,000	485	70	25,000	170	25	35	-	90 Rb	28	9.2	116
304LN	S30453	A249, A688	75,000	515	75	30,000	205	30	35	-	90 Rb	28	9.2	116
304H	A30409	A249, A312	75,000	515	75	30,000	205	30	35	7 or coarser	90 Rb	28	9.2	116

 

304 Stainless Steel Pipe All Equivalent

Alloy	UNS Designation	Werkstoff NR.	Specifications*
304	S30400	1.4301	A269, A/SA249, A/SA312, A632, A/SA688, A270
304L	S30403	1.4306	A269, A/SA249, A/SA312, A629, A632, A/SA688, A270
304LN	S30453	1.4311	A/SA249, A/SA688
304H	S30409	1.4948	A269, A/SA249, A/SA312, A/SA688
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.

 

Certifications

Premier Stainless Steel Tube and Pipe Suppliers in China

GENERAL PROPERTIES

• Our 304/304L stainless steel pipe stands out for its superior machinability and uniformity. This high-caliber stainless steel offers outstanding corrosion resistance, prolonged life, and superior quality, translating to lower total costs of machined parts. DAXUN 304/304L remains non-magnetic when annealed, though it may attain slight magnetic properties post cold working or welding. It is delivered in a solution annealed state for optimal performance.
• Specifications : UNS S30400, UNS S30403

APPLICATIONS:

DAXUN 304/304L Stainless Steel caters to a diverse range of residential and commercial applications, including:

• Chemical Process Equipment
• Food and Beverage Industry

STANDARDS:

• ASTM/ASME: UNS S30400 / S30403
• EURONORM: 1.4301 / 1.4307

CORROSION RESISTANCE:

• Daxun 304/304L is an exceptionally versatile stainless steel known for its robust resistance to atmospheric corrosion, a wide array of organic and inorganic chemicals, and suitability for food and beverages.
• It is also employed in vacuum processing equipment and specialized instruments demanding high integrity.

HEAT RESISTANCE:

• Displays excellent oxidation resistance during intermittent service up to 1600°F and continuous service up to 1690°F.
• Continuous use within the 800-1580°F range is advised against if aqueous corrosion resistance is critical.

WELDING CHARACTERISTICS:

• Easily weldable by all standard welding methods, excluding oxyacetylene.
• For Prodec 304/304L, AWS E308L/ ER308L filler metal should be utilized.

MACHINABILITY:

• Enables faster machining speeds, extended tool life, superior part quality, and reduced total machining costs.

Discover the stainless steel tube you need right here

• Daxun Alloy is a premier stainless steel pipe supplier in China, favored by numerous domestic and international clients for our high-quality products, rapid China delivery, and free unlimited cutting services. Order online or via phone and swiftly receive stainless steel pipes tailored to your specifications.

304 Grade Stainless Steel Pipe

• At Daxun Alloys, we present an extensive range of 304 and 304L grade stainless steel pipes, including specialized 304 grade plumbing pipes.
• Stainless steel pipes are extensively employed in commercial and industrial domains, including fluid piping, automotive manufacturing, and construction, and play a vital role in building architecture.
• Grades 304 and 304L stainless steel boast numerous properties making them ideal for various applications. Grade 304, the most prevalent stainless steel, offers exceptional weldability, excellent formability, and robust corrosion resistance. Our 304 grade pipes are available in either bright or satin finishes.
• Although more challenging to machine compared to grade 304, grade 304L's superior corrosion resistance makes it ideal for harsh environments like marine, coastal, and highly industrialized areas.

Wide Selection of Dimensions and Complimentary Cutting Services

• Whatever your stainless steel requirements, Jiangsu Daxun Alloy Co., Ltd. has the ideal solution with our premium 304 Seamless Pipe ASTM A312 High Corrosion Resistance range. Available in lengths of 3m and 6m, our tubes boast diameters from 6.35mm to 508mm for Grade 304 and ¾" to 20" for Grade 304L. Discover the unmatched quality and versatility that only Daxun Alloys can provide.
• For those in need of custom lengths, Jiangsu Daxun Alloy Co., Ltd. offers an unparalleled free unlimited cutting service with every purchase. Employing state-of-the-art bandsaws, our precision cutting service ensures your tube is tailored to the exact length you need. Simply specify your requirements when placing an order. This exceptional service underscores why we are the preferred stainless steel tube supplier for both our domestic and international clientele.